Finding the Fourth Proportional to 411,826.86, 568,332.99 and 230,537.70
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Solution
The fourth proportional to 411,826.86, 568,332.99 and 230,537.70 is: 318,148.70
Step by Step Solution
- Step 1: Write the proportion equation
411,826.86 : 568,332.99 = 230,537.70 : x - Step 2: Convert to fraction form
411,826.86/568,332.99 = 230,537.70/x - Step 3: Cross multiply
411,826.86x = 568,332.99 × 230,537.70 - Step 4: Simplify right side
411,826.86x = 131,022,180,348.72 - Step 5: Solve for x
x = 131,022,180,348.72/411,826.86 - Step 6: Final answer
x = 318,148.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.